buy-buy-buy.js

~function () {
  var flag = true
  var interval
  function refresh() {
    if (flag) {
      console.log((new Date).toLocaleString())
      var iframe = document.createElement('iframe')
      iframe.src = 'https://shop103422196.taobao.com/category.htm?spm=a1z10.3-c.w4002-6402908702.30.83cQDQ&_ksTS=1465271481288_143&callback=jsonp144&mid=w-6402908702-0&wid=6402908702&path=%2Fcategory.htm&orderType=newOn_desc'
      document.body.appendChild(iframe)
      iframe.onload = function () {
        setTimeout(function () {
          if (flag) {
            var links = iframe.contentDocument.querySelectorAll('.item-name')
            var innerFlag = true
            for (let i = 0; i < links.length; i++) {
              var link = links[i]
              var text = link.innerText
              if (~text.toLowerCase().indexOf('连衣裙') && ~text.toLowerCase().indexOf('misty')) {
                if (flag) {
                  innerFlag = false
                  console.log('Get!')
                  clearInterval(interval)
                  link.click()
                }
              }
            }
            flag = innerFlag
            document.body.removeChild(iframe)
            iframe = null
          }
        }, 1000)

      }
    }
  }
  interval = setInterval(refresh, 1000)
}()

gistfile1.txt

fetch('https://shop103422196.taobao.com/i/asynSearch.htm?_ksTS=1465277136700_158&callback=jsonp159&mid=w-12440288900-0&wid=12440288900&path=/category.htm&spm=a1z10.3-c.w4002-6402908702.30.83cQDQ&orderType=newOn_desc')
  .then(res => res.text())
  .then(data => {
    let text = data.toString()
    console.log(text.match)
    let m = text.match('/^<([a-z]+)\s*\/?>.*(?:<\/\1>)?$/i').match(/<a.*<\/a>/g)
    if (m) {
      for (let i = 1; i < m.length; i++) {
        if (m[i].indexOf('Ete')) {
          console.log('done')
        }
      }
    }
  })